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<FONT color="green">001</FONT>    // Copyright 2007 Waterken Inc. under the terms of the MIT X license<a name="line.1"></a>
<FONT color="green">002</FONT>    // found at http://www.opensource.org/licenses/mit-license.html<a name="line.2"></a>
<FONT color="green">003</FONT>    package org.ref_send.test;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import static org.ref_send.promise.Eventual.ref;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import java.io.Serializable;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    import org.ref_send.promise.Deferred;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.ref_send.promise.Do;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.ref_send.promise.Eventual;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.ref_send.promise.Promise;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.ref_send.promise.Resolver;<a name="line.13"></a>
<FONT color="green">014</FONT>    <a name="line.14"></a>
<FONT color="green">015</FONT>    /**<a name="line.15"></a>
<FONT color="green">016</FONT>     * Test condition operations.<a name="line.16"></a>
<FONT color="green">017</FONT>     */<a name="line.17"></a>
<FONT color="green">018</FONT>    public final class<a name="line.18"></a>
<FONT color="green">019</FONT>    Logic {<a name="line.19"></a>
<FONT color="green">020</FONT>        private Logic() {}<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>        /**<a name="line.22"></a>
<FONT color="green">023</FONT>         * Creates a when block that compares against an expected value.<a name="line.23"></a>
<FONT color="green">024</FONT>         * @param &lt;T&gt; referent type<a name="line.24"></a>
<FONT color="green">025</FONT>         * @param expected  expected value<a name="line.25"></a>
<FONT color="green">026</FONT>         */<a name="line.26"></a>
<FONT color="green">027</FONT>        static public &lt;T&gt; Do&lt;T,Promise&lt;?&gt;&gt;<a name="line.27"></a>
<FONT color="green">028</FONT>        was(final T expected) {<a name="line.28"></a>
<FONT color="green">029</FONT>            class Was extends Do&lt;T,Promise&lt;?&gt;&gt; implements Serializable {<a name="line.29"></a>
<FONT color="green">030</FONT>                static private final long serialVersionUID = 1L;<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>                public Promise&lt;?&gt;<a name="line.32"></a>
<FONT color="green">033</FONT>                fulfill(final T value) throws Exception {<a name="line.33"></a>
<FONT color="green">034</FONT>                    if (expected.equals(value)) { return ref(true); }<a name="line.34"></a>
<FONT color="green">035</FONT>                    throw new Exception();<a name="line.35"></a>
<FONT color="green">036</FONT>                }<a name="line.36"></a>
<FONT color="green">037</FONT>            }<a name="line.37"></a>
<FONT color="green">038</FONT>            return new Was();<a name="line.38"></a>
<FONT color="green">039</FONT>        }<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>        /**<a name="line.41"></a>
<FONT color="green">042</FONT>         * Fulfills a promise after each listed promise is fulfilled.<a name="line.42"></a>
<FONT color="green">043</FONT>         * @param _ eventual operator<a name="line.43"></a>
<FONT color="green">044</FONT>         * @param tests each promise to test<a name="line.44"></a>
<FONT color="green">045</FONT>         * @return promise that is fulfilled if each of the listed promises is<a name="line.45"></a>
<FONT color="green">046</FONT>         *         fulfilled; otherwise, the promise is rejected<a name="line.46"></a>
<FONT color="green">047</FONT>         */<a name="line.47"></a>
<FONT color="green">048</FONT>        static public Promise&lt;?&gt;<a name="line.48"></a>
<FONT color="green">049</FONT>        join(final Eventual _, final Object... tests) {<a name="line.49"></a>
<FONT color="green">050</FONT>            if (0 == tests.length) { return ref(true); }<a name="line.50"></a>
<FONT color="green">051</FONT>            final Deferred&lt;Boolean&gt; answer = _.defer();<a name="line.51"></a>
<FONT color="green">052</FONT>            final int[] todo = { tests.length };<a name="line.52"></a>
<FONT color="green">053</FONT>            final Resolver&lt;Boolean&gt; resolver = answer.resolver;<a name="line.53"></a>
<FONT color="green">054</FONT>            for (final Object test : tests) {<a name="line.54"></a>
<FONT color="green">055</FONT>                class Join extends Do&lt;Object,Void&gt; implements Serializable {<a name="line.55"></a>
<FONT color="green">056</FONT>                    static private final long serialVersionUID = 1L;<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>                    public Void<a name="line.58"></a>
<FONT color="green">059</FONT>                    fulfill(final Object value) {<a name="line.59"></a>
<FONT color="green">060</FONT>                        if (0 == --todo[0]) {<a name="line.60"></a>
<FONT color="green">061</FONT>                            resolver.apply(true);<a name="line.61"></a>
<FONT color="green">062</FONT>                        } else {<a name="line.62"></a>
<FONT color="green">063</FONT>                            resolver.progress();<a name="line.63"></a>
<FONT color="green">064</FONT>                        }<a name="line.64"></a>
<FONT color="green">065</FONT>                        return null;<a name="line.65"></a>
<FONT color="green">066</FONT>                    }<a name="line.66"></a>
<FONT color="green">067</FONT>                    public Void<a name="line.67"></a>
<FONT color="green">068</FONT>                    reject(final Exception e) {<a name="line.68"></a>
<FONT color="green">069</FONT>                        resolver.reject(e);<a name="line.69"></a>
<FONT color="green">070</FONT>                        return null;<a name="line.70"></a>
<FONT color="green">071</FONT>                    }<a name="line.71"></a>
<FONT color="green">072</FONT>                }<a name="line.72"></a>
<FONT color="green">073</FONT>                _.when(test, new Join());<a name="line.73"></a>
<FONT color="green">074</FONT>            }<a name="line.74"></a>
<FONT color="green">075</FONT>            return answer.promise;<a name="line.75"></a>
<FONT color="green">076</FONT>        }<a name="line.76"></a>
<FONT color="green">077</FONT>    }<a name="line.77"></a>




























































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